To celebrate Pi Day this March 14 (or 3/14 or 3.14), we visit the balmy waters of Little Bahama Bank, Bahamas. Two Atlantic spotted dolphins were photographed here blowing a bubble ring, also known as a toroidal ring. And if they were to calculate the circumference of their bubble ring, they’d need to use our favorite irrational number, π.
Happy Pi Day!
Today in History
More Desktop Wallpapers:
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Back to the nest
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Standing stones at Avebury in Wiltshire, England
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A tower of remembrance
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Here there be dragons
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Hispanic Heritage Month
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Bathing huts in Skåne County, Sweden
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Pi Day
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Anshun Bridge, Chengdu, China
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Swim city
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Tasiilaq, Greenland
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National Trails Day
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What are these creatures?
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A light at the edge of the world
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Thomas Jefferson Memorial, Washington, DC
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Under Parisian skies
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Computer Science Education Week
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Fat Bear Week
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Anybody out there?
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National Hispanic Heritage Month
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A Festivus for the rest of us
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Kiteboarding and windsurfing in Croatia
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International Nurses Day
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Monarch butterflies, Pismo Beach, California
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Celebrating Panama s independence
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Womens History Month
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Coyote Buttes, Vermilion Cliffs National Monument, Arizona
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Death Valley National Parks Anniversary
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Summer solstice
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Autumn’s swan song
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Jackie Robinson Day
Bing Wallpaper Gallery

